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* [Bug c++/55810] New: pedantic-errors can not show message for redefined macros in system_header
@ 2012-12-26 2:45 guojiufu at gmail dot com
2012-12-26 3:41 ` [Bug c++/55810] " pinskia at gcc dot gnu.org
2012-12-27 4:04 ` guojiufu at gmail dot com
0 siblings, 2 replies; 3+ messages in thread
From: guojiufu at gmail dot com @ 2012-12-26 2:45 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55810
Bug #: 55810
Summary: pedantic-errors can not show message for redefined
macros in system_header
Classification: Unclassified
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: guojiufu@gmail.com
Referenced from Bug 16358 and 55602. If there is "#pragma GCC
system_header", it silently overwrites the previous defined macro.
-pedantic-errors can not help.
--a.h --
#pragma GCC system_header
#define A 1
#define A 2
-----a.c----
#include "a.h"
int main(){
return A;
}
------------
gcc a.c -pedantic-errors
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug c++/55810] pedantic-errors can not show message for redefined macros in system_header
2012-12-26 2:45 [Bug c++/55810] New: pedantic-errors can not show message for redefined macros in system_header guojiufu at gmail dot com
@ 2012-12-26 3:41 ` pinskia at gcc dot gnu.org
2012-12-27 4:04 ` guojiufu at gmail dot com
1 sibling, 0 replies; 3+ messages in thread
From: pinskia at gcc dot gnu.org @ 2012-12-26 3:41 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55810
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |INVALID
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-12-26 03:41:19 UTC ---
You need -Wsystem-headers so GCC does not suppress warnings/pedatic errors from
system headers.
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug c++/55810] pedantic-errors can not show message for redefined macros in system_header
2012-12-26 2:45 [Bug c++/55810] New: pedantic-errors can not show message for redefined macros in system_header guojiufu at gmail dot com
2012-12-26 3:41 ` [Bug c++/55810] " pinskia at gcc dot gnu.org
@ 2012-12-27 4:04 ` guojiufu at gmail dot com
1 sibling, 0 replies; 3+ messages in thread
From: guojiufu at gmail dot com @ 2012-12-27 4:04 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55810
Jeff Guo <guojiufu at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |CLOSED
--- Comment #2 from Jeff Guo <guojiufu at gmail dot com> 2012-12-27 04:03:53 UTC ---
closed
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2012-12-27 4:04 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2012-12-26 2:45 [Bug c++/55810] New: pedantic-errors can not show message for redefined macros in system_header guojiufu at gmail dot com
2012-12-26 3:41 ` [Bug c++/55810] " pinskia at gcc dot gnu.org
2012-12-27 4:04 ` guojiufu at gmail dot com
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